Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
11 Cards in this Set
- Front
- Back
|
المهم Composition of oral flora
-At birth, fetus is - when flora Transferred - 1st to Colonize w when MCQ F45555 -when Strepto w Staph w Neiserria w Veillonella isolated - MCQ 18-40% of 5y have?? W Compared with 90% Of 13-16 y -MCQ At 70 y there is ⬆️ or ⬇️ of species w what is this species -MCQ After 80 y what occ |
Sterile
At 1st feeding (maternal)
S. Salivarius... After 24 h from birth
By 1y
Spirochaetes w anaerobes.
⬆️... Lactobacillus w Staph
⬆️ N of yeast |
|
|
MCQ Complex Microbial Community found on tooth Surface... Is w embedded in |
Dental Plaqueجير . Matrix |
|
|
Essay 2019
Steps of dental plaque formation |
- pellicle -Passive Transport of Oral bacteria - initial adhesion - attachment - colonization and biofilm formation - plaque Maturation |
|
|
Formation 1) MCQ Formation of w consists of... 2) MCQ Type of Transport of oral bacteria.. 3)MCQ Type of Adhesion w Reversibility w distance ... 4)MCQ bond formation between w Reversibility... 5)Colonization and Formation of what... 6)EC or IC formed 7)MCQ EXAM Plaque Maturation Characterized by 8)MCQ After 7 days, what the main org.. 9)MCQ After 14 days, there is... |
1)Pellicle... Mucin w salivary w glycoptn w Minerals w Ig
2)Passive
3)Initial... Reversibile... 10-100 nm
4)specific receptors .. Irreversible
5)Biofilm حاجة لزجة
6)EC Products w microcolonies
7)Inc quantity w Diversity
8)Streptococci
9)Shift to anaerobic |
|
|
2023 List Antiplaque agents with ex الجاي مهم فشخ |
-Antimicrobial : CHX -Plaque disruption agents : Na lauryl SO4 -Anti-adhesive : F |
|
|
MCQ Antimicrobial -As - Charge - MCQ Action Plaque disruption agents -As -Used in -MCQ Used as - MCQ Action Anti-adhesive - As -Action MCQ F45 Which has Most Substantivity |
CHX
➕
-Damaging the Microbial CM اهم واحدة - ➖Adhesion
Na lauryl SO4
Tooth pastes w mouth rinses معجون الأسنان و المضمضة
Anionic detergent زي الصابون
Solubilizes plaque بيذوب الجير
F
زي منع Adhesion من الاخر - preventing interactions between bacteria w oral environment -Change surface binding CHX |
|
|
Rough or Smooth allow more plaque |
Rough |
|
|
Read Factors affecting growth of oral Micro org |
Diet Saliva GCF Microbial Products (interactions) Host factors |
|
|
Essay
Sign of Plaque as Biofilm.. ⬇️Sensitivity to Antibiotics and antimicrobial agents... |
Due to
Limited penetration Inactivation (by enzymes) Bad conditions Slow Microbial Growth Rates Novel (new)Microbial phenotype |
|
|
Diet -MCQ F45 Presence of what w ex will lead to plaque Saliva -The mean PH -MCQ F45 What will lead to Poliferation of Species : Strept mutans and Lactobacillus ... -MCQ F45 Changes in Flow rate will affect Conc of w which is important in balance of -MCQ F45 Contains GCF -MCQ Contains -MCQ func Gaseous -Anaerobe or aerobe is harmful -MCQ F45 Early Colonizers allow -MCQ F45 Late Colonizers allow Host -MCQ F45 easiest Way host can aff oral flora by use |
Fermentable CHO as Sugar السكر الكتير يعمل جير كتير
6.75 to 7.25 من 7 الا ربع ل7 وربع
⬇️PH by sugar intake
Ions
Mineralization w demineralization
Lysozyme Lactoferrin peroxidase Ig
Ptn
Protection by its Flushing eff
Anaerobe
Capnophilic
Anaerobic
Oral Hygiene ex tooth brushing |
|
|
Microbial interactions |
|
